Built -up roof - A roofing composed of three to five layers of asphalt felt laminated with coal tar, pitch, or asphalt. The top is finished with crushed slag or gravel. Generally used on flat or low -pitched roofs.
Collar beam - Nominal 1 - or 2 -inch -thick members connecting opposite roof rafters. They serve to stiffen the roof structure.
Delamination - Separation of the plies in a panel due to failure of the adhesive. Usually caused by excessive moisture.
Frieze - In house construction a horizontal member connecting the top of the siding with the soffit of the cornice.
R Value - A measure of insulation. A measure of a materials resistance to the passage of heat. The higher the R value, the more insulating "power" it has. For example, typical new home's walls are usually insulated with 4" of batt insulation with an R value of R -13, and a ceiling insulation of R -30.
Ridge - The horizontal line at the junction of the top edges of two sloping roof surfaces.
Wall out - When a painter pray paints the interior of a home.
Yoke - The location where a home's water meter is sometimes installed between two copper pipes, and located in the water meter pit in the yard.
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Milwaukee 49-56-1873 Hole Saw Carbide Tipped 1-7/8-Inch
Feature: ... 1-7/8 in. (48 mm) diameter; 1-1/2 in. depth of cut; Carbide-tipped 3 teeth per inch design; Sturdy 3/16 in. thick steel back ...more
Editorial Reviews — ... Product Description | Milwaukee's Carbide Tipped 3 teeth per inch Hole Saws provide longer life and faster cutting when holes are needed in ceramic tile, flakeboard, fiberboard, fiberglass and wood. Carbide Tipped Hole Saws are NOT recommended for use on metal. Select arbor depending on the size of the drill being used and the size of hole saw being driven. One per package.FEATURES: 1-7/8 in. (48 mm) diameter. 1-1/2 in. depth of cut. Carbide-tipped 3 teeth per inch design. Sturdy 3/16 in. thick steel back...more
Precision Twist G D444 Carbide-Tipped Drill 118 Deg HSS 2 7/8" Flute 4 1/8" L
Editorial Reviews — ... Product Description | Carbide tipped drill bits can be run at speeds 2 to 2 1/2 times faster than regular high speed drill bits and create a better hole finish. Use on cast aluminum, bronze, cast and ductile irons, fiberglass, hard plastics, and other abrasive nonferrous metals. Not recommended for soft steel. Bits have a high speed steel body and bright finish. Drill shank diameter is the same as the drill bit size....more
Precision Twist D444 Carbide-Tipped Drill #01 118 Deg HSS 2 5/8" Flute 3 7/8" L
Editorial Reviews — ... Product Description | Carbide tipped drill bits can be run at speeds 2 to 2 1/2 times faster than regular high speed drill bits and create a better hole finish. Use on cast aluminum, bronze, cast and ductile irons, fiberglass, hard plastics, and other abrasive nonferrous metals. Not recommended for soft steel. Bits have a high speed steel body and bright finish. Drill shank diameter is the same as the drill bit size....more
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